High speed and stable transmission are supported by bluetooth-compatible 5.0 chip, which provides high performance. You can easily use the earphones, which supports smart-touch operation.Noise reduction technology brings excellent stereo and heavy bass sound effect. Ergonomic design makes it comfortable to wear.Made of premium ABS material, the wireless earphone is reliable and durable.Length of the charging box is 16.5cm, width is 10.7cm and height is 3.5cm.It is suitable for you to use it for home, office, travel, sport, etc.Item Name: Wireless EarphoneMaterial:ABSCharging Time: 1 HourOutput Voltage: 5VPlayback Time: 3.5 HoursBluetooth Version: 5.0Bluetooth Distance: 10mCharging Compartment Battery Capacity: 220mAh (Included)Earphone Battery Capacity: 35mAh (Included)Case Extra Charges: 4Horn M13 x 2Size:10.7cmx16.5cmx3.5cm/4.21inx6.5inx1.38inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 X Wireless Earphones1 X Charging Box1 X Charging Cable